〜ことになる koto ni naru
〜ことになる（koto ni naru）means “it has been decided that; it turns out that”. Expresses a decision or outcome that comes about, typically not by the speaker's own choice but through circumstances, rules, or a group/organization. Formation: V-る + ことになる ／ V-ない + ことになる
it has been decided that; it turns out that
N4Formation
V-る + ことになる ／ V-ない + ことになる
Explanation
Expresses a decision or outcome that comes about, typically not by the speaker's own choice but through circumstances, rules, or a group/organization. Contrast with 〜ことにする, which is the speaker's own decision.
Examples
Note
〜ことになっている expresses a standing rule or arrangement (e.g. 'we are supposed to...').
FAQ
〜ことになる — what does it mean and how is it used?
it has been decided that; it turns out that. Expresses a decision or outcome that comes about, typically not by the speaker's own choice but through circumstances, rules, or a group/organization. Contrast with 〜ことにする, which is the speaker's own decision.
〜ことになる — how do you form it?
V-る + ことになる ／ V-ない + ことになる
〜ことになる — any usage notes?
〜ことになっている expresses a standing rule or arrangement (e.g. 'we are supposed to...').